| 摘要 |
This invention provides an integrated and modular coupling module for coupling light between optical devices, such as an optical fiber connector and optoelectronic device. In a coupling module of the present invention, beam-shaping elements and alignment elements are integrated on a single alignment plate in such a way that they maintain a precise physical relationship. Moreover, the relative physical arrangement between the beam-shaping elements and the alignment elements are configured such that once the alignment elements are engaged with the peripheral devices, accurate optical alignment between the peripheral devices and the coupling module is also attained. The beam-shaping elements, such as optical lenses, are securely embedded in the alignment plate. The alignment elements, typically in the form of alignment pins and holes, are produced on the alignment plate in such a way that they effectively become an integral part of the alignment plate. The unique design of the optical coupling module of the present invention enables it to readily withstand temperatures of 220 DEG C or higher while maintaining its integrity and performance, hence rendering it a desirable candidate for high-bandwidth fiber-optic transceivers, and other high-bandwidth transmitting and receiving modules. As such, the coupling module of the present invention provides a significant simplification, size and cost reduction in the packaging of optoelectronic devices, in distinct contrast with traditional single-mode (pigtailing) technology, while providing more accurate and reliable optical coupling between optical fibers and optoelectronic devices. The principle of the present invention can also be extended to constructing coupling modules for coupling other types of electromagnetic radiation. |
